Author:
Appleton E. V.,Barnett M. A. F.
Abstract
In the course of a series of signal intensity measurements made at Cambridge on the electric waves received from broadcasting stations a marked difference between day and night conditions has been observed. The day-time signals are sensibly constant but marked fluctuations of intensity become apparent about sunset and continue throughout the night. These variations are detectable at Cambridge on the signals from London, where they represent a change in strength of about 5 per cent.
Publisher
Cambridge University Press (CUP)
Reference5 articles.
1. Appleton , Physical Society Discussion Report, Nov. 28th, 1924
2. On the diurnal variations of the electric waves occurring in nature, and on the propagation of electric waves round the bend of the earth
3. Appleton , loc. cit.
4. Proc. Physical Soc., vol. 37, Part II, 1925.
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